Wavlink NU516U1 firewall.cgi sub_401B30 command injection

A weakness has been identified in Wavlink NU516U1. Affected by this vulnerability is the function sub_401B30 of the file /cgi-bin/firewall.cgi. This manipulation of the argument remoteManagementEnabled causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.